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jeyben [28]
3 years ago
10

3 markers cost $5.79.

Mathematics
2 answers:
bazaltina [42]3 years ago
5 0

A is the ans

3-5.97

13-x

Cross multiply

lord [1]3 years ago
4 0

Answer:

C. 3/$5.79 = 13/x

Step-by-step explanation:

We can write the fact that 3 markers cost $5.79 as a proportion:

3/$5.79

Let x represent the unknown cost of 13 markers. Since 13 markers cost x, we have the following proportion:

13/x

The cost changes along with the number of markers purchased, and so the two proportions are equivalent.

3/$5.79 = 13/x

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Step-by-step explanation:

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Step-by-step explanation:

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8 0
3 years ago
The sum of three consecutive odd numbers is 69. What are the three numbers?
n200080 [17]

Answer:

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Step-by-step explanation:

Ok, so this one may seem a little tricky, so I'll try to explain it as best as I can. :)

So because they are consecutive odd numbers, that means they are odd numbers that are one after the other. This means each number is 2 apart from the next. So by using this, we know that there is a difference of 6 between the highest and lowest number. Now let's try and make an equation:

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Hope this helps :)

5 0
3 years ago
Read 2 more answers
I need help. I'm not quite sure which one to choose.
MArishka [77]
I believe it is the first one. A. \frac{x^2}{5^2}- \frac{y^2}{5^2}\ \textgreater \ 1
7 0
3 years ago
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